US2777181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterproof closure
Assignee: Individual
•
Filing: 1951-09-15
•
Granted: 1957-01-15
•
Expires: 1971-09-15
Abstract
No abstract record available.
Inventors
- 👤 Morner Hans George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:33
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/10; A44B19/16; A44B19/24; A44B19/26; A44B19/267; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2532
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL49722C
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US1703712A
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US1959319A
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US1959318A
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US2077350A
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AT154764B
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US2274161A
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US2306488A
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US2520467A
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US2558367A
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US2613421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |